Home / 9,449.27-13,020.75-7,311.81

Finding the Fourth Proportional to 9,449.27, 13,020.75 and 7,311.81

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Solution

The fourth proportional to 9,449.27, 13,020.75 and 7,311.81 is: 10,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.27 : 13,020.75 = 7,311.81 : x
  2. Step 2: Convert to fraction form
    9,449.27/13,020.75 = 7,311.81/x
  3. Step 3: Cross multiply
    9,449.27x = 13,020.75 × 7,311.81
  4. Step 4: Simplify right side
    9,449.27x = 95,205,250.06
  5. Step 5: Solve for x
    x = 95,205,250.06/9,449.27
  6. Step 6: Final answer
    x = 10,075.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.